TOP260EN

TOP260EN – Energy-Efficient PWM Switcher IC (TOPSwitch-HX Series)

TOP260EN is a highly integrated PWM switcher IC from Power Integrations, designed for compact, efficient, and cost-effective AC–DC power supplies. It combines a high-voltage MOSFET, control circuitry, start-up, loop compensation, and protection features—reducing external components and PCB space.

It is ideal for power supplies up to 85W (adapter applications) and up to 195W open-frame, offering excellent efficiency, wide input range, and robust protection.

⭐ Key Features

✔ High-Efficiency PWM Switcher IC
✔ Built-in 700V MOSFET for direct AC mains use
✔ Works on 85V–265V AC universal input
✔ Up to 85W with adapter & 195W open-frame power capacity
✔ Advanced protection features (OTP, OVP, SCP, UVLO)
✔ Frequency jittering helps reduce EMI without filters
✔ Programmable soft start and current limit
✔ Very low standby power (<150mW)

🛠 Technical Specifications

🎯 Typical Applications

🔹 SMPS Power Supplies (5V, 12V, 24V, 48V)
🔹 Mobile & Laptop Chargers
🔹 Industrial Control Power Supplies
🔹 LED Drivers & Lighting Modules
🔹 CCTV, Set-Top Box & Networking Devices
🔹 Battery Chargers & Adapter Circuits
🔹 Automation Systems & IoT Devices

🛡️ Built-In Protection Features

✔ Overload Protection
✔ Over-Temperature Protection (OTP)
✔ Over-Voltage Protection (OVP)
✔ Under-Voltage Lockout (UVLO)
✔ Short Circuit Auto-Restart

💡 Why Use TOP260EN?

✔ Reduces external components and BOM cost
✔ No heatsink needed for lower power designs
✔ Very low standby power (energy-efficient)
✔ Suitable for global usage with universal input
✔ Highly reliable for industrial and consumer-grade power supplies